Limitations
There were several limitations to this study. Firstly, because all the
death occurred in associated complex anomalies, and the short-term and
long-term results of the surviving patients were good, no statistical
correlation study was conducted in this study. Secondly, all follow-up
medical examinations were mainly echocardiography. We did not carry out
CT or MRI examination for patients with intracardiac tunnel or
extracardiac method, which can show the operation effects more clearly.